title: Photocatalytic degradation of textile dyes.
abstract: The photocatalytic degradation of commonly used textile dyes, namely, Reactive Black-5 (RB-5), Red (ME4BL), Golden Yellow (MERL), Blue-222, Methylene Blue, and Malachite Green, has been studied, using TiO2 (P25) as a photocatalyst. All the dye solutions could be decolorized. Kinetics of RB-5 oxidation reaction has been studied and was found to be of first order in dye concentration. Effects of different parameters such as catalyst amount, initial concentration of the dyes, and pH of solution along with biological parameters (TOC and COD) on the rate of degradation were studied. Experimental results showed that photocatalytic degradation of commonly used RB-5 was very effective at the optimum catalyst quantity of 2.5 g/L.
authors.affiliation: Department of Chemical Engineering, VVP Engineering College, Rajkot - 360 005, India. mahadwad@yahoo.com
authors.forename: O K
authors.initials: OK
authors.lastname: Mahadwad
authors.forename: R V
authors.initials: RV
authors.lastname: Jasra
authors.forename: P A
authors.initials: PA
authors.lastname: Parikh
authors.forename: R J
authors.initials: RJ
authors.lastname: Tayade
mesh_terms: D002384:Catalysis; D004396:Coloring Agents; D006863:Hydrogen-Ion Concentration; D007220:Industrial Waste; D055668:Photochemical Processes; D012666:Semiconductors; D013472:Sunlight; D013784:Textiles; D014865:Waste Disposal, Fluid / Q000379:methods*
chemical_list: D004396:Coloring Agents; D007220:Industrial Waste